/**
 * Created by 王景华 on 2020/12/22 10:59 上午.
 */
#include <stdio.h>

int main(void){
    float about = 32000.0;
    double abet = 2.14e9;
    long double dip = 5.32e-5;
    printf("%f can be written %e\n", about, about);
    printf("%f can be written %e\n", abet, abet);
    printf("%Lf can be written %Le\n", dip, dip);

    return 0;
}